Darshan Bhat c34fb00c67
[mlir] Fix a crash in SCF loop coalescing when loop step is zero (#181893)
Fixes #181590 
The affine-loop-coalescing pass crashes when loop has a statistically
known zero step. This fix does an early bail-out in coalesceLoops that
return failure when a loop has a known zero step.
2026-02-19 18:43:34 +00:00
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